This document provides information about the circulatory system and asks comprehension questions. It states that the unit purpose is to write notes describing the components of different human body systems in a chart. The specific competence is to write charts of the circulatory and respiratory systems. The circulatory system section explains that the heart pumps blood around the body, blood carries nutrients and oxygen to all parts of the body while removing waste and carbon dioxide, and the main parts of the circulatory system are the heart, blood, vessels, and blood.

1. UNIT THREE (B)

2. UNIT PURPOSE: READ AND
REWRITE INFORMATIVE TEXTS
FROM A PARTICULAR FIELD
SPECIFIC COMPETENCE: Write notes
TO describe the components of
different human body systems in
a chart.
FINAL PRODUCT: CHARTS OF
HUMAN BODY SYSTEMS

6. THE CIRCULATORY SYSTEM
BLOOD carries nutrients
and oxygen to all parts
of the bodyand carries
away waste materials
and carbon dioxhide.
CIRCULATORY SYSTEM:
the heart, the blood,
vessels, and the blood.
THE HEART pumps blood
around the body.
Arteries and veins

8. a. What does the heart do?
b. What are the names of the two
types of tubes that carry the blood?
c. What are the main parts of the
heart?
d. What are the main parts of the
circulatory system?
e. What’s the function of the blood?